Search a number
BaseRepresentation
bin1001100000110
320200101
41030012
5123440
634314
720125
oct11406
96611
104870
113728
12299a
1322a8
141abc
15169a
hex1306

4870 has 8 divisors (see below), whose sum is σ = 8784. Its totient is φ = 1944.

The previous prime is 4861. The next prime is 4871. The reversal of 4870 is 784.

4870 = 52 + 62 + ... + 242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12, base 14 and base 15.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 253.

It is an arithmetic number, because the mean of its divisors is an integer number (1098).

24870 is an apocalyptic number.

4870 is a deficient number, since it is larger than the sum of its proper divisors (3914).

4870 is a wasteful number, since it uses less digits than its factorization.

4870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 4870 is about 69.7853852895. The cubic root of 4870 is about 16.9502582894.

Subtracting from 4870 its sum of digits (19), we obtain a triangular number (4851 = T98).

The spelling of 4870 in words is "four thousand, eight hundred seventy".

Divisors: 1 2 5 10 487 974 2435 4870